*SUPPORT*
IN: wif fep tufa fep zup gazzer OUT: BLUE PURPLE YELLOW YELLOW
IN: wif gazzer OUT: BLUE BLUE
IN: dax OUT: RED
IN: zup tufa OUT: YELLOW PURPLE
IN: dax dax OUT: RED RED
IN: zup gazzer OUT: YELLOW YELLOW
IN: zup fep zup gazzer OUT: YELLOW YELLOW YELLOW
IN: tufa dax wif fep zup lug OUT: PURPLE RED BLUE YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax gazzer OUT: RED RED
IN: wif OUT: BLUE
IN: dax lug OUT: RED RED RED RED RED
IN: zup tufa lug OUT: YELLOW PURPLE PURPLE PURPLE PURPLE PURPLE
IN: tufa dax OUT: PURPLE RED
IN: tufa lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: zup lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa fep dax gazzer OUT: PURPLE RED RED
IN: tufa OUT: PURPLE
IN: dax fep tufa lug OUT: RED PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup fep dax zup tufa OUT: YELLOW RED YELLOW PURPLE
IN: zup fep dax lug OUT: YELLOW RED RED RED RED RED
IN: dax wif lug OUT: RED BLUE BLUE BLUE BLUE BLUE
IN: zup OUT: YELLOW
IN: zup dax OUT: YELLOW RED
IN: zup fep tufa fep dax gazzer OUT: YELLOW PURPLE RED RED

*GRAMMAR*
dax -> RED 
 tufa -> PURPLE 
 wif -> BLUE 
 zup -> YELLOW 
 u1 fep x1 -> [u1] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 